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module develop help!



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  • Module Developer

    @wireshark
    You have not understood the structure of MagicMirror module and basic javascript syntax.
    I suggest you study more with other modules.


  • Module Developer

    Usually, a MagicMirror module should have several method implementations.

    .start() : called when module is loaded on bootup. (and after all modules are loaded.) You could use this function for initialization.
    .getDom() : called when view of modules is needed to refresh You could use this function to draw your content on Mirror.

    And there are many points to study.
    See this. https://github.com/MichMich/MagicMirror/tree/develop/modules



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  • Module Developer

    @wireshark I didn’t look inside deeply.
    But in getDom() didn’t you draw anything. You just try to alert something on success.
    Ok, maybe you are just in developing stage. It’s ok.
    So, You should invoke getDom() with updateDom() when it is needed.
    By example, in your start(), you can update your dom like this.

    start: function() {
      var self = this
      setInterval(function(){
        self.updateDom()
      }, 60*1000)
    },
    

    After loaded, this module function start() would set interval timer to execute updateDom() for refreshing view. every time when updateDom() is called, getDom() will be executed. So, your getDom() will be executed every 60*1000 milsec.


  • Module Developer

    But this is not so good, because, start() could be executed before DOM created. This could give your module unintended errors. My recommendation is starting your job after DOM_OBJECTS_CREATED notification received. This notification would be fired when all modules are loaded and draw their first DOM view.

    notificationReceived: function(noti, payload, sender) {
      if (noti == "DOM_OBJECTS_CREATED") {
        //do your job
        // e.g) set Timer to refreshing data and update view with updateDom()
      }
    },
    

  • Module Developer

    And the last, you SHOULD DRAW YOUR DOM for real rendering.

    getDom: function() {
      // do your job...
      yourDOM = document.createElement("div")
      yourDOM.innerHTML = "Something"
      return yourDOM // DOM which has your content inside, should be returned.
    },
    
    
    


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  • Module Developer

    @wireshark
    Run with npm start dev. And see the logs and errors. They tell you what are real problems. And even for us, without exact information, we couldn’t help.
    Anyway, what it means ‘doesn’t work’? It has errors? Black screen?
    I think if it works, just alert window would be popped up. (Return value of xhr.send() might be not what you really want.) You’d better to investigate codes around alert().



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